<template>
  <div class="login">
    <div class="login-bg">
      <img :src="img.bg" alt="" srcset="">
    </div>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <el-form-item class="logo-img">
        <img class="logo-img" :src="img.logo" alt="" />
      </el-form-item>
      <h3 class="title">明瑞支付平台</h3>
      <h3 class="title-subhead">sapmo wood industry cloud</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="用户名/手机号"
          autofill="false"
        >
          <svg-icon
            slot="prefix"
            icon-class="user"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          autofill="false"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="password"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="validCode"
            class="el-input__icon input-icon"
          />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <el-checkbox
        v-model="loginForm.rememberMe"
        style="margin: 0px 0px 25px 0px"
        >记住我</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          class="btn-loading"
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>版权所有©2021-2022 明瑞支付平台 备案号：粤ICP备18955698号</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "",
        password: "123456",
        rememberMe: false,
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          {
            required: true,
            trigger: "blur",
            message: "用户名不能为空",
          },
        ],
        password: [
          {
            required: true,
            trigger: "blur",
            message: "密码不能为空",
          },
        ],
        code: [
          {
            required: true,
            trigger: "change",
            message: "验证码不能为空",
          },
        ],
      },
      loading: false,
      redirect: undefined,
      img: {
        logo: require("@/assets/logo/logo.png"),
        bg: require("@/assets/images/login-background.png")
      },
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },

  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, {
              expires: 30,
            });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              this.getCode();
              this.loginForm.code = "";
            });
        }
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
  .login-bg{
    height: 100%;
    max-width: 1600px;
    position: absolute;
    left: 0;
    top: 0;
    z-index: auto;
    img{
      width: 100%;
    }
  }
  .title {
    margin: 15px auto 5px auto;
    text-align: center;
    color: #33c271;
    font-weight: 600;
    font-size: 32px;
  }
  .title-subhead {
    margin: 0px auto 60px auto;
    text-align: center;
    color: #33c271;
    font-weight: 500;
  }
  .login-form {
    position: absolute;
    top: 10%;
    right: 20%;
  }

  .login-form{
    border-radius: 6px;
    background: #ffffff;
    width: 440px;
    padding: 25px 25px 5px 25px;

    .logo-img {
      text-align: center;
      img {
        width: 100px;
        height: 80px;
      }
    }
    .el-input {
      height: 60px;
      font-size: 20px;
      line-height: 60px;
      letter-spacing: 10px;
      input {
        height: 60px;
        border-radius: 0;
        border: none;
        border-bottom: 2px solid #c0c4cc;
        margin-left: 8px;
      }
      .el-input__icon {
        width: 24px;
        height: 24px;
      }
    }
    .input-icon {
      height: 49px;
      width: 20px;
      margin-left: 2px;
    }
    .el-checkbox__input.is-checked .el-checkbox__inner,
    .el-checkbox__input.is-indeterminate .el-checkbox__inner {
      background-color: #33c271;
      border-color: #33c271;
    }
    .el-checkbox__input.is-checked + .el-checkbox__label {
      color: #33c271;
    }
    .el-checkbox.is-bordered.is-checked {
      border-color: #33c271;
    }
    .el-checkbox__input.is-focus .el-checkbox__inner {
      border-color: #33c271;
    }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    height: 60px;
    float: right;
    img {
      width: 100%;
      height: 60px;
      cursor: pointer;
      vertical-align: middle;
    }
  }
  .el-login-footer {
    height: 40px;
    line-height: 40px;
    position: absolute;
    bottom: 0;
    right: 20%;
    padding: 0 30px;
    // width: 100%;
    // text-align: center;
    color: #909399;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .login-code-img {
    height: 38px;
  }

  .btn-loading {
    height: 60px;
    background-color: #33c271;
    border-color: #33c271;
    span {
      font-size: 20px;
      font-weight: 550;
    }
  }

  @media screen and (max-width: 700px) {
    .login-form {
      position: absolute;
      top: 0;
      right: 0;
      width: 100vw;
      height: 100vh;
    }

    .el-login-footer{
        position: static;
        width: 100vw;
        text-align: center;
        right:0;
    }
  }
}
</style>
